Thanks for the input. I have ordered the pressure sensor 5006/5053 from a vender here in Newark . Seems like the best place to start. We changed the plugs last weekend because of the missfire code. A lot of carbon on the old ones. On start up test this morning the sensor was stuck at 0, then the...
2012 Mazdaspped3 running COBB stage2+ mods with COBB Nexgen Stage2 V450 tune.
I have a video this morning of accessport showing fuel pressure dropping out a couple minutes after start up. This happens every morning on cold start. Then throws multiple codes and check engine light.
Codes P0300...